MT · REGULATION RESEARCH BRIEF

Montana swimming pool regulations

Use this page to identify the correct questions and official starting points. Confirm the current rule, code edition, jurisdiction, project classification, and property address before design or contracting decisions.

Research reviewed September 25, 2026 · Requirements can change

Public and semi-public pools

The state licenses public pools, reviews plans, and uses local health departments for inspection.

Residential construction

State residential-code reach depends on local participation, so confirm whether the jurisdiction has adopted and enforces it.

Builder and trade credentials

Verify contractor registration and regulated-trade credentials.

WATCH

Change or uncertainty to verify

The 2024 ISPSC and related codes were scheduled for September 26, 2026.

ADDRESS-LEVEL CHECK

Questions to resolve in writing

Which building and zoning authority controls this parcel?
Which adopted code edition and local amendments apply?
What plans, engineering, site information, and permits are required?
Which setback, easement, barrier, gate, alarm, and cover rules apply?
Who permits and inspects electrical, gas, plumbing, and drainage work?
Which contractor and trade credentials must be active for this scope?
Does a health department have a separate role for this pool classification?
What approvals are required before filling, operating, or closing the permit?

SOURCE DESK

Official sources identified for Montana

Open the relevant agency material and verify its effective date, scope, amendments, and local administration.

State government directoryUSAGov starting point ↗Official source 01dphhs.mt.gov ↗Official source 02dphhs.mt.gov ↗Official source 03dphhs.mt.gov ↗Official source 04mca.legmt.gov ↗Official source 05flatheadcounty.gov ↗Official source 06bsd.dli.mt.gov ↗Official source 07bsd.dli.mt.gov ↗Official source 08mca.legmt.gov ↗

MT · REGULATION RESEARCH BRIEF

Montana swimming pool regulations

Research reviewed September 25, 2026 · Requirements can change

Public and semi-public pools

The state licenses public pools, reviews plans, and uses local health departments for inspection.

Residential construction

State residential-code reach depends on local participation, so confirm whether the jurisdiction has adopted and enforces it.

Builder and trade credentials

Verify contractor registration and regulated-trade credentials.

WATCH

Change or uncertainty to verify

The 2024 ISPSC and related codes were scheduled for September 26, 2026.

ADDRESS-LEVEL CHECK

Questions to resolve in writing

Which building and zoning authority controls this parcel?
Which adopted code edition and local amendments apply?
What plans, engineering, site information, and permits are required?
Which setback, easement, barrier, gate, alarm, and cover rules apply?
Who permits and inspects electrical, gas, plumbing, and drainage work?
Which contractor and trade credentials must be active for this scope?
Does a health department have a separate role for this pool classification?
What approvals are required before filling, operating, or closing the permit?

SOURCE DESK

Official sources identified for Montana

Open the relevant agency material and verify its effective date, scope, amendments, and local administration.